Clock thermostat housing



FIG. 1 is a left front perspective view of a clock thermostat housing showing my new design;

FIG. 2 is a left front perspective view thereof, with the hinged cover in the open position;

FIG. 3 is a front elevational view thereof with the cover in the closed position;

FIG. 4 is a left side elevational view thereof, the right side being a mirror image thereto;

FIG. 5 is a top plan view thereof, the bottom view being substantially a mirror image thereof.

The broken line showings of FIGS. 1-2 and 4-5 are environmental and form no part of the claimed design. 

The ornamental design for a clock thermostat housing, substantially as shown and described. 